Johnstone Supply - Portland, OR (Serving Western Massachusetts)
Distributor
Distributor of vented caps. Plastic vent caps, metal vent caps, B-vent high wind caps, wall vent caps with screen, B-vent oval vent caps and pipe vent caps are available.
Brand Names: AmeriVent, Arlington, C & D Valve, Camco, DuraVent, Ez Trap, Famco, General Filters, Klein Tools,...
www.johnstonesupply.com/storefront/index.ep

Electronic Fasteners, Inc. - Waltham, MA
Distributor
Stocking distributor of caps. Types include LED lens, tapered and non threaded caps. Vendor managed inventory programs available. On-time delivery.
Brand Names: Caplugs, Keystone
www.electronicfasteners.com/Manufacturers-C...

Air, Inc. - Franklin, MA
Distributor
ISO 9001:2000 certified distributor of end caps. End caps are available in blue, black, red, yellow & gray colors & in 1 in. x 1 in. x 1/8 in. to 3 in. x 3 in. x 3/16 in. sizes.
Brand Names: 80/20, Couplings Co., Excelon, Koganei, PIAB, Silent Air
airinc.thomasnet.com/viewitems/aluminum-t-s...

Caps Products
	End Caps

Niantic Seal, Inc. - Locations
Distributor, Custom Manufacturer
ISO 9001 registered custom manufacturer & distributor of sanitary fittings including caps. Capabilities include CAD, CNC machining, design & fabricate tooling, rapid prototyping, laminating, tube, kiss, laser, die & rotary die & water jet cutting, EMI/RFI testing, welding, brazing, crimping, swaging, kitting, barcoding, assembly & cleaning. FDA & USP Class VI & NSF compliant. ITAR registered. Meets SAE AS9100 standards. On-time delivery.
www.inscogroup.com/niantic-seal/products/fd...

Fastenal - Locations
Distributor, Custom Manufacturer
ISO 9001:2000 & 9003 certified worldwide distributor of automotive fasteners including tube end caps & rubber vacuum caps. Available in tube OD from 1/8 in. to 1/2 in. & inside lengths from 9/16 in. to 1-1/4 in.
www.fastenal.com/web/products?termca=&termp...

USCO - Utilities Supply Corp. - Methuen, MA
Distributor, Manufacturer
ISO 9002 certified distributor of plastic end caps. Various types include FIPT, slip, CPVC, polypropylene, threaded, PVDF and socket caps.
Brand Names: Chemtrol, Spears
www.uscosupply.com/PDF/catalog/usco_catalog...

Caps Products
	Cap SR Fipt Threaded Cap Cap - Threaded More

O.C. White Co. - Thorndike, MA
Distributor, Manufacturer
Manufacturer of extruded plastic arm caps for securing microphone cable run. Available in 15 in to 22 in. sizes & in black colors. ESD safe & RoHS compliant. CE certified & UL listed. Made in USA.
Brand Names: Elite, O. C. White, Proboom