Hennigan Engineering Co., Inc.
Service Company
Cleaning service of heat exchangers, condensers, piping, tanks, boilers, 10,000-40,000 PSI water jet surface preparation, concrete hyrdodemolition, coating & paint application & industrial cleaning. Additional services including inspection, maintenance, marine, chemical cleaning, decontamination, coating, non-destructive (NDT) testing, pipe & tube cleaning, leak detection, paint removal & stripping & water treatment services.
www.henniganengineering.com/plugs.htm

GH Precision Products, Inc. - Mississauga, ON (Serving Michigan)
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified. Manufacturer of custom metal plugs made from steel, stainless steel, aluminum, copper, brass & bronze. Plugs are available in length up to 12 in. with 0.031 in. to 3 in. dia. & +/-0.0001 in. tolerances. Industries served include automotive, electrical, electronics, medical, plumbing, hardware & defense.
www.gh-precision.com/products_and_services....

Air-Way Manufacturing Co. - Olivet, MI
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2008 certified. Manufacturer of hydraulic fittings including square & hexagon head pipe plugs made from brass. Plugs are available in 0.55 in. to 1.016 in. length with -65 degrees F to +250 degrees F temperature & 1,200 psi working pressure. Meets ASTM standards.
Brand Names: Air-Way, Patriot Brass
www.air-way.com/catalog.php?catid=2&subcati...

DME Company LLC - Madison Heights, MI
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001 certified manufacturer & distributor of plugs including brass plugs. Products include water plugs, water couplers & hydraulic couplers. Water plugs are available with passage size from 3/16 in. to 1/2 in. & national pipe thread size from 1/16 in. to 3/4 in. Hydraulic couplers are available in national pipe thread sizes from 1/4 in. to 1 in. Other products include safety couplers, air couplers & flat face couplers.
www.dme.net/moldingsupplies/cooling_product...

Exotic Rubber & Plastics Corp. - Farmington, MI
Distributor, Manufacturer, Custom Manufacturer
Custom Molding & Fabricating Of Rubber & Plastics

Decker Manufacturing Corp. - Albion, MI
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO/TS 16949:2000, ISO 14001 & ISO/IEC 17025:2005 certified manufacturer of pipe plugs in standard & custom sizes made from metals, brass & steel. Capabilities include engineering, plating, locking, testing & heat treating. Applications include automotive, agricultural, transportation, safety, construction & marine.

TriMatic Screw Machined Products Inc. - Howell, MI
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of plugs in materials including brass & stainless steel. Capabilities include CNC turning of hexagonal/round dia. from 0.06 in. to 3 in. & tolerances up to plus/minus 0.0005 in., screw machining from 1/16 in. to 1-1/2 in., inspection, designing & building special machine tooling, prototyping & high volume runs. Industries served include medical, dental, hydraulic, pneumatic, automotive, magnetic & paint. JIT delivery available.

T & D Machine, Inc. - Tecumseh, MI
Manufacturer, Custom Manufacturer, Service Company
Pipe