Table of Contents 1 Report Overview 1.1 Research Scope 1.2 Major Manufacturers Covered in This Report 1.3 Market Segment by Type 1.3.1 Global Optical Comparators Market Size Growth Rate by Type (2019-2025) 1.3.2 Simple Optics 1.3.3 Corrected Optics 1.3.4 Fully Corrected Optics 1.4 Market Segment by Application 1.4.1 Global Optical Comparators Market Share by Application (2019-2025) 1.4.2 Aerospace Industry 1.4.3 Watches and Clocks 1.4.4 Electronics 1.4.5 Instrumentation Industry 1.4.6 Research Institutes 1.4.7 Detection Metering Stations 1.5 Study Objectives 1.6 Years Considered 2 Global Growth Trends 2.1 Production and Capacity Analysis 2.1.1 Global Optical Comparators Production Value 2014-2025 2.1.2 Global Optical Comparators Production 2014-2025 2.1.3 Global Optical Comparators Capacity 2014-2025 2.1.4 Global Optical Comparators Marketing Pricing and Trends 2.2 Key Producers Growth Rate (CAGR) 2019-2025 2.2.1 Global Optical Comparators Market Size CAGR of Key Regions 2.2.2 Global Optical Comparators Market Share of Key Regions 2.3 Industry Trends 2.3.1 Market Top Trends 2.3.2 Market Drivers 3 Market Share by Manufacturers 3.1 Capacity and Production by Manufacturers 3.1.1 Global Optical Comparators Capacity by Manufacturers 3.1.2 Global Optical Comparators Production by Manufacturers 3.2 Revenue by Manufacturers 3.2.1 Optical Comparators Revenue by Manufacturers (2014-2019) 3.2.2 Optical Comparators Revenue Share by Manufacturers (2014-2019) 3.2.3 Global Optical Comparators Market Concentration Ratio (CR5 and HHI) 3.3 Optical Comparators Price by Manufacturers 3.4 Key Manufacturers Optical Comparators Plants/Factories Distribution and Area Served 3.5 Date of Key Manufacturers Enter into Optical Comparators Market 3.6 Key Manufacturers Optical Comparators Product Offered 3.7 Mergers & Acquisitions, Expansion Plans 4 Market Size by Type 4.1 Production and Production Value for Each Type 4.1.1 Simple Optics Production and Production Value (2014-2019) 4.1.2 Corrected Optics Production and Production Value (2014-2019) 4.1.3 Fully Corrected Optics Production and Production Value (2014-2019) 4.2 Global Optical Comparators Production Market Share by Type 4.3 Global Optical Comparators Production Value Market Share by Type 4.4 Optical Comparators Ex-factory Price by Type 5 Market Size by Application 5.1 Overview 5.2 Global Optical Comparators Consumption by Application 6 Production by Regions 6.1 Global Optical Comparators Production (History Data) by Regions 2014-2019 6.2 Global Optical Comparators Production Value (History Data) by Regions 6.3 United States 6.3.1 United States Optical Comparators Production Growth Rate 2014-2019 6.3.2 United States Optical Comparators Production Value Growth Rate 2014-2019 6.3.3 Key Players in United States 6.3.4 United States Optical Comparators Import & Export 6.4 European Union 6.4.1 European Union Optical Comparators Production Growth Rate 2014-2019 6.4.2 European Union Optical Comparators Production Value Growth Rate 2014-2019 6.4.3 Key Players in European Union 6.4.4 European Union Optical Comparators Import & Export 6.5 China 6.5.1 China Optical Comparators Production Growth Rate 2014-2019 6.5.2 China Optical Comparators Production Value Growth Rate 2014-2019 6.5.3 Key Players in China 6.5.4 China Optical Comparators Import & Export 6.6 Rest of World 6.6.1 Japan 6.6.2 Korea 6.6.3 India 6.6.4 Southeast Asia 7 Optical Comparators Consumption by Regions 7.1 Global Optical Comparators Consumption (History Data) by Regions 7.2 United States 7.2.1 United States Optical Comparators Consumption by Type 7.2.2 United States Optical Comparators Consumption by Application 7.3 European Union 7.3.1 European Union Optical Comparators Consumption by Type 7.3.2 European Union Optical Comparators Consumption by Application 7.4 China 7.4.1 China Optical Comparators Consumption by Type 7.4.2 China Optical Comparators Consumption by Application 7.5 Rest of World 7.5.1 Rest of World Optical Comparators Consumption by Type 7.5.2 Rest of World Optical Comparators Consumption by Application 7.5.1 Japan 7.5.2 Korea 7.5.3 India 7.5.4 Southeast Asia 8 Company Profiles 8.1 Qualitest 8.1.1 Qualitest Company Details 8.1.2 Company Description and Business Overview 8.1.3 Production and Revenue of Optical Comparators 8.1.4 Optical Comparators Product Introduction 8.1.5 Qualitest Recent Development 8.2 Dorsey Metrology 8.2.1 Dorsey Metrology Company Details 8.2.2 Company Description and Business Overview 8.2.3 Production and Revenue of Optical Comparators 8.2.4 Optical Comparators Product Introduction 8.2.5 Dorsey Metrology Recent Development 8.3 Nikon Metrology 8.3.1 Nikon Metrology Company Details 8.3.2 Company Description and Business Overview 8.3.3 Production and Revenue of Optical Comparators 8.3.4 Optical Comparators Product Introduction 8.3.5 Nikon Metrology Recent Development 8.4 Starrett 8.4.1 Starrett Company Details 8.4.2 Company Description and Business Overview 8.4.3 Production and Revenue of Optical Comparators 8.4.4 Optical Comparators Product Introduction 8.4.5 Starrett Recent Development 8.5 Mitutoyo 8.5.1 Mitutoyo Company Details 8.5.2 Company Description and Business Overview 8.5.3 Production and Revenue of Optical Comparators 8.5.4 Optical Comparators Product Introduction 8.5.5 Mitutoyo Recent Development 8.6 ST Industries 8.6.1 ST Industries Company Details 8.6.2 Company Description and Business Overview 8.6.3 Production and Revenue of Optical Comparators 8.6.4 Optical Comparators Product Introduction 8.6.5 ST Industries Recent Development 8.7 Inspec 8.7.1 Inspec Company Details 8.7.2 Company Description and Business Overview 8.7.3 Production and Revenue of Optical Comparators 8.7.4 Optical Comparators Product Introduction 8.7.5 Inspec Recent Development 8.8 Fowler 8.8.1 Fowler Company Details 8.8.2 Company Description and Business Overview 8.8.3 Production and Revenue of Optical Comparators 8.8.4 Optical Comparators Product Introduction 8.8.5 Fowler Recent Development 8.9 AA JANSSON 8.9.1 AA JANSSON Company Details 8.9.2 Company Description and Business Overview 8.9.3 Production and Revenue of Optical Comparators 8.9.4 Optical Comparators Product Introduction 8.9.5 AA JANSSON Recent Development 8.10 KEYENCE 8.10.1 KEYENCE Company Details 8.10.2 Company Description and Business Overview 8.10.3 Production and Revenue of Optical Comparators 8.10.4 Optical Comparators Product Introduction 8.10.5 KEYENCE Recent Development 8.11 Jerpbak-Bayless 8.12 Surplus Record Machinery & Equipment Directory 8.13 Precision Gage 8.14 Barcor 8.15 United Standard Industries 8.16 Paleo-Tech 8.17 OPTIMAX Imaging Inspection & Measurement 8.18 Spectrum Metrology 9 Market Forecast 9.1 Global Market Size Forecast 9.1.1 Global Optical Comparators Capacity, Production Forecast 2019-2025 9.1.2 Global Optical Comparators Production Value Forecast 2019-2025 9.2 Market Forecast by Regions 9.2.1 Global Optical Comparators Production and Value Forecast by Regions 2019-2025 9.2.2 Global Optical Comparators Consumption Forecast by Regions 2019-2025 9.3 United States 9.3.1 Production and Value Forecast in United States 9.3.2 Consumption Forecast in United States 9.4 European Union 9.4.1 Production and Value Forecast in European Union 9.4.2 Consumption Forecast in European Union 9.5 China 9.5.1 Production and Value Forecast in China 9.5.2 Consumption Forecast in China 9.6 Rest of World 9.6.1 Japan 9.6.2 Korea 9.6.3 India 9.6.4 Southeast Asia 9.7 Forecast by Type 9.7.1 Global Optical Comparators Production Forecast by Type 9.7.2 Global Optical Comparators Production Value Forecast by Type 9.8 Consumption Forecast by Application 10 Value Chain and Sales Channels Analysis 10.1 Value Chain Analysis 10.2 Sales Channels Analysis 10.2.1 Optical Comparators Sales Channels 10.2.2 Optical Comparators Distributors 10.3 Optical Comparators Customers 11 Opportunities & Challenges, Threat and Affecting Factors 11.1 Market Opportunities 11.2 Market Challenges 11.3 Porter's Five Forces Analysis 12 Key Findings 13 Appendix 13.1 Research Methodology 13.1.1 Methodology/Research Approach 13.1.1.1 Research Programs/Design 13.1.1.2 Market Size Estimation 13.1.1.3 Market Breakdown and Data Triangulation 13.1.2 Data Source 13.1.2.1 Secondary Sources 13.1.2.2 Primary Sources 13.2 Author Details 13.3 Disclaimer

List of Tables and Figures Figure Optical Comparators Product Picture Table Optical Comparators Key Market Segments Table Major Manufacturers Optical Comparators Covered in This Report Table Global Optical Comparators Market Size Growth Rate by Type 2019-2025 (K Units) & (Million US$) Figure Global Optical Comparators Sales Market Shar by Type 2014-2025 Figure Simple Optics Figures Table Major Manufacturers of Simple Optics Figure Corrected Optics Figures Table Major Manufacturers of Corrected Optics Figure Fully Corrected Optics Figures Table Major Manufacturers of Fully Corrected Optics Table Global Optical Comparators Market Share by Application 2019-2025 (K Units) Figure Aerospace Industry Use Case Figure Watches and Clocks Use Case Figure Electronics Use Case Figure Instrumentation Industry Use Case Figure Research Institutes Use Case Figure Detection Metering Stations Use Case Figure Optical Comparators Report Years Considered Figure Global Optical Comparators Production Value Growth Rate 2014-2025 (Million US$) Figure Global Optical Comparators Production 2014-2025 (K Units) Figure Global Optical Comparators Capacity 2014-2025 (K Units) Table Key Manufacturers Optical Comparators Capacity (K Units) Figure Global Optical Comparators Price 2014-2025 (USD/Unit) Table Global Optical Comparators Market Size of Key Regions (Million USD) & (K Units) Table Global Optical Comparators Growth Rate of Key Regions 2019-2025 (Million USD) Table Global Optical Comparators Market Share for of Regions 2019-2025 (K Units) Table Market Top Trends Table Global Optical Comparators Capacity by Manufacturers (2014-2019) (K Units) Table Global Optical Comparators Capacity Market Share by Manufacturers (2014-2019) Table Global Optical Comparators Production by Manufacturers (2014-2019) (K Units) Table Global Optical Comparators Production Share by Manufacturers (2014-2019) Figure Global Optical Comparators Production Share by Manufacturers in 2018 Table Optical Comparators Revenue by Manufacturers (2014-2019) (Million USD) Table Optical Comparators Revenue Share by Manufacturers (2014-2019) Figure Optical Comparators Value Share by Manufacturers in 2018 Table Global Optical Comparators Manufacturers Market Concentration Ratio (CR5 and HHI) Table Optical Comparators Price by Manufacturers 2014-2019 (USD/Unit) Table Key Manufacturers Optical Comparators Plants/Factories Distribution Table Key Manufacturers Optical Comparators Area Served Table Date of Key Manufacturers Enter into Optical Comparators Market Table Key Manufacturers Optical Comparators Product Type Table Mergers & Acquisitions, Expansion Plans Table Global Simple Optics Production and Production Value (2014-2019) (K Units) & (Million US$) Table Global Corrected Optics Production and Production Value (2014-2019) (K Units) & (Million US$) Table Global Fully Corrected Optics Production and Production Value (2014-2019) (K Units) & (Million US$) Table Global Optical Comparators Production by Type (2014-2019) (K Units) Table Global Optical Comparators Production Share by Type (2014-2019) Figure Global Optical Comparators Production Market Share by Type (2014-2019) Figure Global Optical Comparators Production Market Share by Type in 2018 Table Global Optical Comparators Production Value by Type (2014-2019) (Million US$) Table Global Optical Comparators Production Value Share by Type (2014-2019) Figure Global Optical Comparators Production Value Market Share by Type (2014-2019) Figure Global Optical Comparators Production Value Market Share by Type in 2018 Table Optical Comparators Ex-factory Price by Type 2014-2019 (USD/Unit) Table Global Optical Comparators Consumption by Application (2014-2019) (K Units) Table Global Optical Comparators Consumption Share by Application (2014-2019) Figure Global Consumption Optical Comparators Market Share by Application (2014-2019) Table Global Optical Comparators Production by Regions 2014-2019 (K Units) Table Global Optical Comparators Production Market Share by Regions 2014-2019 Figure Global Optical Comparators Production Market Share by Regions 2014-2019 Figure Global Optical Comparators Production Market Share by Regions in 2018 Table Global Optical Comparators Production Value by Regions 2014-2019 (Million USD) Table Global Optical Comparators Production Value Market Share by Regions 2014-2019 Figure Global Optical Comparators Production Value Market Share by Regions 2014-2019 Figure Global Optical Comparators Production Value Market Share by Regions in 2018 Table United States Optical Comparators Production and Value 2014-2019 (K Units) & (Million USD) Figure United States Optical Comparators Production Growth Rate 2014-2019 (K Units) Figure United States Optical Comparators Production Value Growth Rate 2014-2019 (Million USD) Table United States Optical Comparators Import & Export (K Units) Table European Union Optical Comparators Production and Value 2014-2019 (K Units) & (Million USD) Figure European Union Optical Comparators Production Growth Rate 2014-2019 (K Units) Figure European Union Optical Comparators Production Value Growth Rate 2014-2019 (Million USD) Table European Union Optical Comparators Import & Export (K Units) Table China Optical Comparators Production and Value 2014-2019 (K Units) & (Million USD) Figure China Optical Comparators Production Growth Rate 2014-2019 (K Units) Figure China Optical Comparators Production Value Growth Rate 2014-2019 (Million USD) Table China Optical Comparators Import & Export (K Units) Figure Japan Optical Comparators Production Growth Rate 2014-2019 (K Units) Figure Japan Optical Comparators Production Value Growth Rate 2014-2019 (Million USD) Figure Korea Optical Comparators Production Growth Rate 2014-2019 (K Units) Figure Korea Optical Comparators Production Value Growth Rate 2014-2019 (Million USD) Figure India Optical Comparators Production Growth Rate 2014-2019 (K Units) Figure India Optical Comparators Production Value Growth Rate 2014-2019 (Million USD) Figure Southeast Asia Optical Comparators Production Growth Rate 2014-2019 (K Units) Figure Southeast Asia Optical Comparators Production Value Growth Rate 2014-2019 (Million USD) Table Global Optical Comparators Consumption by Regions 2014-2019 (K Units) Table Global Optical Comparators Consumption Market Share by Regions 2014-2019 Figure Global Optical Comparators Consumption Market Share by Regions 2014-2019 Figure Global Optical Comparators Consumption Market Share by Regions in 2018 Figure United States Optical Comparators Consumption Growth Rate (2014-2019) (K Units) Table United States Optical Comparators Consumption by Type (2014-2019) (K Units) Figure United States Optical Comparators Consumption Market Share by Type in 2019 Table United States Optical Comparators Consumption by Application (2014-2019) (K Units) Figure United States Optical Comparators Consumption Market Share by Application in 2019 Figure European Union Optical Comparators Consumption Growth Rate (2014-2019) (K Units) Table European Union Optical Comparators Consumption by Type (2014-2019) (K Units) Figure European Union Optical Comparators Consumption Market Share by Type in 2019 Table European Union Optical Comparators Consumption by Application (2014-2019) (K Units) Figure European Union Optical Comparators Consumption Market Share by Application in 2019 Figure China Optical Comparators Consumption Growth Rate (2014-2019) (K Units) Table China Optical Comparators Consumption by Type (2014-2019) (K Units) Figure China Optical Comparators Consumption Market Share by Type in 2019 Table China Optical Comparators Consumption by Application (2014-2019) (K Units) Figure China Optical Comparators Consumption Market Share by Application in 2019 Figure Rest of World Optical Comparators Consumption Growth Rate (2014-2019) (K Units) Table Rest of World Optical Comparators Consumption by Type (2014-2019) (K Units) Figure Rest of World Optical Comparators Consumption Market Share by Type in 2019 Table Rest of World Optical Comparators Consumption by Application (2014-2019) (K Units) Figure Rest of World Optical Comparators Consumption Market Share by Application in 2019 Figure Japan Optical Comparators Consumption Growth Rate (2014-2019) (K Units) Figure Korea Optical Comparators Consumption Growth Rate (2014-2019) (K Units) Figure India Optical Comparators Consumption Growth Rate (2014-2019) (K Units) Figure Southeast Asia Optical Comparators Consumption Growth Rate (2014-2019) (K Units) Table Qualitest Company Details Table Qualitest Description and Business Overview Table Qualitest Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table Qualitest Optical Comparators Production Growth Rate (2014-2019) Table Qualitest Optical Comparators Production Market Share in Global Market Table Qualitest Recent Development Table Dorsey Metrology Company Details Table Dorsey Metrology Description and Business Overview Table Dorsey Metrology Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table Dorsey Metrology Optical Comparators Production Growth Rate (2014-2019) Table Dorsey Metrology Optical Comparators Production Market Share in Global Market Table Dorsey Metrology Recent Development Table Nikon Metrology Company Details Table Nikon Metrology Description and Business Overview Table Nikon Metrology Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table Nikon Metrology Optical Comparators Production Growth Rate (2014-2019) Table Nikon Metrology Optical Comparators Production Market Share in Global Market Table Nikon Metrology Recent Development Table Starrett Company Details Table Starrett Description and Business Overview Table Starrett Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table Starrett Optical Comparators Production Growth Rate (2014-2019) Table Starrett Optical Comparators Production Market Share in Global Market Table Starrett Recent Development Table Mitutoyo Company Details Table Mitutoyo Description and Business Overview Table Mitutoyo Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table Mitutoyo Optical Comparators Production Growth Rate (2014-2019) Table Mitutoyo Optical Comparators Production Market Share in Global Market Table Mitutoyo Recent Development Table ST Industries Company Details Table ST Industries Description and Business Overview Table ST Industries Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table ST Industries Optical Comparators Production Growth Rate (2014-2019) Table ST Industries Optical Comparators Production Market Share in Global Market Table ST Industries Recent Development Table Inspec Company Details Table Inspec Description and Business Overview Table Inspec Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table Inspec Optical Comparators Production Growth Rate (2014-2019) Table Inspec Optical Comparators Production Market Share in Global Market Table Inspec Recent Development Table Fowler Company Details Table Fowler Description and Business Overview Table Fowler Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table Fowler Optical Comparators Production Growth Rate (2014-2019) Table Fowler Optical Comparators Production Market Share in Global Market Table Fowler Recent Development Table AA JANSSON Company Details Table AA JANSSON Description and Business Overview Table AA JANSSON Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table AA JANSSON Optical Comparators Production Growth Rate (2014-2019) Table AA JANSSON Optical Comparators Production Market Share in Global Market Table AA JANSSON Recent Development Table KEYENCE Company Details Table KEYENCE Description and Business Overview Table KEYENCE Optical Comparators Production (K Units), Revenue (Million US$), Price (USD/Unit) and Gross Margin (2014-2019) Table KEYENCE Optical Comparators Production Growth Rate (2014-2019) Table KEYENCE Optical Comparators Production Market Share in Global Market Table KEYENCE Recent Development Table Jerpbak-Bayless Company Details Table Surplus Record Machinery & Equipment Directory Company Details Table Precision Gage Company Details Table Barcor Company Details Table United Standard Industries Company Details Table Paleo-Tech Company Details Table OPTIMAX Imaging Inspection & Measurement Company Details Table Spectrum Metrology Company Details Table Global Optical Comparators Capacity, Production Forecast 2019-2025 (K Units) Figure Global Optical Comparators Capacity Forecast 2019-2025 (K Units) Figure Global Optical Comparators Production Forecast 2019-2025 (K Units) Figure Global Optical Comparators Production Value Forecast 2019-2025 (Million US$) Table Global Optical Comparators Production Value Forecast 2019-2025 (Million US$) Table Global Optical Comparators Production Forecast by Regions 2019-2025 (K Units) Table Global Optical Comparators Production Market Share Forecast by Regions 2019-2025 Table Global Optical Comparators Production Value Forecast by Regions 2019-2025 (Million US$) Table Global Optical Comparators Consumption Forecast by Regions 2019-2025 (K Units) Table Global Optical Comparators Consumption Market Share Forecast by Regions 2019-2025 Table United States Optical Comparators Production and Production Value Forecast 2019-2025 (K Units) & (Million US$) Figure United States Optical Comparators Production Growth Forecast 2019-2025 (K Units) Table United States Optical Comparators Production Value Forecast 2019-2025 (Million US$) Figure United States Optical Comparators Consumption Forecast 2019-2025 (K Units) Table European Union Optical Comparators Production and Production Value Forecast 2019-2025 (K Units) & (Million US$) Figure European Union Optical Comparators Production Growth Forecast 2019-2025 (K Units) Table European Union Optical Comparators Production Value Forecast 2019-2025 (Million US$) Figure European Union Optical Comparators Consumption Forecast 2019-2025 (K Units) Table China Optical Comparators Production and Production Value Forecast 2019-2025 (K Units) & (Million US$) Figure China Optical Comparators Production Growth Forecast 2019-2025 (K Units) Table China Optical Comparators Production Value Forecast 2019-2025 (Million US$) Figure China Optical Comparators Consumption Forecast 2019-2025 (K Units) Figure Japan Optical Comparators Production Growth Forecast 2019-2025 (K Units) Figure Japan Optical Comparators Consumption Forecast 2019-2025 (K Units) Figure Korea Optical Comparators Production Growth Forecast 2019-2025 (K Units) Figure Korea Optical Comparators Consumption Forecast 2019-2025 (K Units) Figure India Optical Comparators Production Growth Forecast 2019-2025 (K Units) Figure India Optical Comparators Consumption Forecast 2019-2025 (K Units) Figure Southeast Asia Optical Comparators Production Growth Forecast 2019-2025 (K Units) Figure Southeast Asia Optical Comparators Consumption Forecast 2019-2025 (K Units) Table Global Optical Comparators Production Forecast by Type 2019-2025 (K Units) Figure Global Optical Comparators Production Forecast by Type 2019-2025 (K Units) Figure Global Optical Comparators Production Market Share Forecast by Type 2019-2025 Table Global Optical Comparators Production Value Forecast by Type 2019-2025 (Million US$) Figure Global Optical Comparators Production Value Forecast by Type 2019-2025 (Million US$) Figure Global Optical Comparators Production Value Market Share Forecast by Type 2019-2025 Table Global Optical Comparators Consumption Forecast by Application 2019-2025 (K Units) Figure Global Optical Comparators Consumption Forecast by Application 2019-2025 (K Units) Figure Global Optical Comparators Consumption Market Share Forecast by Application 2019-2025 Figure Optical Comparators Value Chain Table Optical Comparators Distributors List Table Optical Comparators Customers List Table Porter's Five Forces Analysis Table Research Programs/Design for This Report Figure Bottom-up and Top-down Approaches for This Report Figure Data Triangulation Table Key Data Information from Secondary Sources Table Key Data Information from Primary Sources

Qualitest Dorsey Metrology Nikon Metrology Starrett Mitutoyo ST Industries Inspec Fowler AA JANSSON KEYENCE Jerpbak-Bayless Surplus Record Machinery & Equipment Directory Precision Gage Barcor United Standard Industries Paleo-Tech OPTIMAX Imaging Inspection & Measurement Spectrum Metrology