Below are links to the websites of various manufacturers (and others) of survey instruments, supplies, and accessories, where you can find further information of importance!

• AERVOE: Survey and construction marking paint, and other aerosal products
• BRUNTON: Makers of THE international pocket transit compass, plus other fine compasses, knives, outdoor optics, and more!
• CALCULATED INDUSTRIES: Special purpose calculators of all shapes and sizes, plan measures, ultrasonic distance measuring, and the DigiRoller.
• SITEPRO: Field supplies and accessories. David White Instruments, Gammon Reels, Rolatape CST-style tripods...the place to go now that Sokkia hass dropped most of their accessory items!
• COOPER TOOLS: Lufkin line of measuring tapes.
• DIXON/TICONDEROGA: Lumber crayons, and felt tip markers.
• LEICA GEOSYSTEMS: Complete line of construction Lasers and accessories.
• NIKON SURVEYING INSTRUMENTS: Still the best optics in town!
• SOKKIA CORPORATION: Complete line of instruments, tripods, and rods.
• TOPCON: Leading manufactuer of lasers, levels, total stations, theodolites, and GPS
• SECO MFG. CO: Purveyors and manufacturers of a premium array of accessories for the surveyor and engineer.
• SMI-CARR: THE stake chaser manufacturer (whiskers, feathers, whatever..), plus wire flags.
• THE SMITHSONIAN: Great resource for information and pictures regarding American survey instruments and survey instrument manufacturers. Many photos including vintaghe compassers
• VIRTUAL ARCHIVE OF WILD HEERBRUGG: Mr. Juerge Dedual of Switzerland has assembled an amazing website crammed full of information on Wild-Heerbrugg survey instruments. Model descriptions, serial number dating, and much much more.
• SPECTRA-PRECISION: Complete line of construction Lasers and accessories.
• BRUNSON: The last standing manufacturer of optical tooling instruments and accessories. Extensive library of manuals and instructional materials, including K&E.
• KARA CO: Authorized Brunson resellers, repair services, precision instruments
• SWISSTEK: Specializes in Leica, Wild, Kern and Zeiss.
• WARREN-KNIGHT/NORTH AMERICAN INSTRUMENTS: Custom accessories for optical tooling, and precision instruments
• GEOMAX: Same parent copmpany as Leica (Hexagon) and the same technology. Total stations, Lasers, GPS, and More.
• STONEX: Italy-based manufacturer of affordable quality total stations, GPS, and an extensive offering of data collection devices
• CHRISNIK: MagNails and other premium fasteners
• KUKER-RANKEN: Makers of the best hand-level, the 572S 2X.