LJ Fabricators, Inc. - Rockford, IL
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified custom manufacturer of access doors made from metal including stainless steel. Capabilities include 2D & 3D laser cutting, high speed punching, precision forming & welding. Value added services include shearing, sawing, drilling, tapping, countersinking, rolling, surface metal finishing, spanning, painting, powder coating & plating. On-time delivery.
www.ljfabricators.com/index.php?page=home

Dynaco USA, Inc. - Mundelein, IL
Manufacturer
Manufacturer of access, acoustical, automatic, bi-fold & overhead doors. Doors are available with features including 24 in./second operating speed, 100 operating cycles/day & reinforced PVC curtains. Doors are available in sizes up to 12 ft. x 12 ft.
highspeeddoors.dynacodoor.us/category/all-c...

BSH Chicago - Joliet, IL
Distributor
Distributor of doors

Martin Engineering - Neponset, IL
Manufacturer, Service Company
Conveyor Installation, Maintenance & Repair

Ventfabrics, Inc. - Chicago, IL
Manufacturer
Pre-Fabricated

A Better Door & Window Co. - Chicago Heights, IL
Distributor
Ind. & fire proof; Distributor

Wunderlich Doors, Inc. - Joliet, IL
Distributor, Manufacturer, Service Company
Distributor of access doors.

Meadows Door Inc - Carpentersville, IL
Distributor, Manufacturer, Service Company
Distributor of access doors. Installation & 24 hr. service available.

Overdoors Inc - Homewood, IL
Distributor, Service Company
Distributor; 24 hour emergency Service

Forest Door Co., Inc. - Cicero, IL
Distributor
Gadco, frantz, genie, chamberlain, wayne-dalton, amarr, liftmaster
Brand Names: Amarr, Chamberlain, Frantz, GADCO, Genie, Wayne-Dalton

Midway Overhead Door, Inc. - Cicero, IL
Distributor
Overhead, rolling, steel sectional, wood, glass; Distributor

Consolidated Door Corp. - Chicago, IL
Manufacturer
Manufacturer Of Revolving Doors

MIFAB, Inc. - Chicago, IL
Manufacturer
Manufacturer of access doors. Types include universal, ceiling or wall, drywall bead, insulated fire rated, uninsulated fire rated, medium security, high security, floor, surface & exterior access doors. Universal access doors feature rounded safety corners, concealed hinge, flush with frame fit & 1/4 in. turn back in door panel. Ceiling or wall access doors with drywall bead or plaster finish are available. Insulated & uninsulated fire rated access doors are UL® listed & meet ANSI standards.
Brand Names: Counterline

Grainger Industrial Supply - Locations
Distributor
Distributor of a wide variety of doors. Types of doors include flexible swinging doors, metal doors, metal fire doors, smooth strip doors, ribbed strip doors & many more. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Door Systems KONE Group - Itasca, IL
Distributor, Manufacturer, Service Company
Assembly & installation services for access doors including fire doors, pedestrian doors & high speed doors. Services also include 24-hr emergency service. Markets served include commercial, industrial, institutional, retail & multi-family markets.

Pro Line Door Systems - Wood Dale, IL
Distributor, Manufacturer, Service Company
Manufacturer Of Doors, Marine Equipment & Supplies; Service

ITT - Marlow - Morton Grove, IL
Distributor, Manufacturer
Manufacturer of pump accessories including pump (priming devices), access door, control switches, & panel switches. Applications include effluents & sewage.

Creative Resources Services, Inc. - Downers Grove, IL
Distributor
Distributor of firestops.
Brand Names: William Bros

Folger Adam Co. - Lemont, IL
Manufacturer, Service Company
Manufacturer Of Architectural Security Products Which Include Electric Strikes, Deadbolts & Control Switches

Illinois Flush Door, Inc. - Plainfield, IL
Manufacturer
Manufacturer of access doors.