- LAURENCE, safety valves
- LEGRAND, oilwell pumps
- LEUTERT, dynamometers
- LEWIS MANUFACTURING, safety belts & tail ropes
- LINCOLN, lubricant equipment
- LINC, level and flow switches
- LINC-BELT, API roller chain
- LIQUID O-RING, specialty greases
- LODGE, ignition speciality
- LOVEJOY, flexible couplings
- LTV ENERGY PRODUCTS, oilfield speciality
- LUBRIPLATE, greases
- LUFKIN, Derrick tapes & measuring tapes
- MAFI-TRENCH CORP, turbines & spares
- MAGNETROL, level switches
- MALONEY, pigging equipment
- MARKAL, industrial markers
- MARPAC, ball valves
- MARSH, gauges & bi-metal thermometers
- MARTIN DECKER, instrumentation
- MC KISSICK, lifting gear
- MELCO, replacement BOP spares & rubber goods
- MEMAC, chain strap wrenches
- MERIAM, manometers
- MID WEST, instrumentation
- MID WEST GAUGES DP, gauges
- MISSION, check valves
- MODCO, end closures
- MOORE INDUSTRIES, instrumentation
- MOORSIDE, ring gaskets
- MORSE, transmission chain
- NL SHAFFER, replacement BOP spares
- NOMEX, flameproof coveralls
- NUGENT, speciality filters & elements
- OFI, mud test equipment
- OMEGA, electronic instruments
- OMSCO, oilfield speciality
- ORANGE RESEARCH, differential sensors
- OTECO, oilfield speciality
- PALL, filter elements
- PANALARM, annunciators, recorders
- PARKER, filters (fulflo)
- PARAMELLE WRENCH, hand tools
- PECO FILTERS, filters
- PENBERTHY, level gauges
- PENTEC, recorder pens & arms
- PETOL, chain & pipe tongs
- PLIDCO, split flanges
- PORTADRILL, drilling rigs
- POSISEAL, valves
- PRECISION GENERAL, needle valves
- PROTECTOSEAL, flame arrestors
- PYLE NATIONAL, pin plugs
- QUINN PUMPS, oil well pumps
- RED WING, safety footwear
- REDA PUMPS, oilfield pumps
- REGAN, annular blowout preventers
- RESUN, plug valves
- RIDGID, pipe handling tools
- RIG-A-LITE, industrial lighting
- ROBERSHAW, instrumentation controls
- ROCKWELL, high pressure greaseguns
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- ROHRBACK COSASCO, corrosion monitoring
- ROSS VALVES, valves
- SCIENCO, pumps
- SDR, level flow switches
- SHAFFER VALVE CO, actuators
- SKINNER BROS, sleeve couplings
- SMITH/GEOSOURCE, flowmeters
- SMITH VALVES, valves
- SNAP-TITE, quick couplings
- SNOOP, liquid leak detector
- SOR, level flow control
- SPIRAX SARCO, strainers
- SQUIRE WHITEHOUSE, logging instruments
- STANDCO, gaskets
- STITT, industrial spark plugs
- STREN, oilwell filter strainers
- SULLY, compressors
- SUPERIOR, flow measurement
- SWACO/GEOLOGRAPH, drilling equipment
- SWECO, fine mesh screens
- SYNFLEX, hoses & fittings
- T K VALVES, full bore valves
- TAYLOR TOOLS, vaetrix gauges
- TEXAN OIL TOOLS, wire line equipment & BOPs
- TEXSTEAM, chemical pumps & plug valves
- THORNHILL CRAVER, chokes & closures
- TITFLEX, hoses
- TOTCO, instrumentation
- TOYO, spring hose
- TRW MISSION, centrifical pump & fluid end spares
- ULTRAFLOW, butterfly valves
- UNION PUMP, pumps spare parts
- UPCO, sucker rods & polished rods
- UTEX, seals & packings
- VAETRIX, gauges
- VAL-TEX, speciality grease
- VARCO, drilling tools & parts
- VAREC, level gauges
- VEEDER ROOT, counters
- VELAN, valves
- VERIFLO, precision flow control
- VERSA, 3-way valves
- VICTAULIC, pipe fittings
- VOGT, check valves
- WABCO, pneumatic control components
- WALLS, workwear
- WARREN RUPP, diaphragm pumps
- WAUKESHA, gas engine spares
- WEB WILSON, rotary drilling equipment spares
- WECO, wing unions & plug valves
- WEISS, pressure gauges
- WELKER ENGINEERING, oil samplers
- WHEATLEY, pump parts
- WHITE ROCK, pulsation dampners
- WHITE SUPERIOR, compressor spares
- WILKERSON, filters, lubricators & regulators
- WILLIAMS INSTRUMENTS, chemical injection pumps
- WILLIAMS TOOLS, hand tools
- WILLIAMSON T.D, pipeline pigging
- WOODS ENERGY, oilwell production equipment
- WORCESTER CONTROLS, valves & kits
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