The BILCO Company

New Haven, US 06505


About The BILCO Company


New Haven, US 06505

More Info on The BILCO Company

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For over 85 years, The BILCO Company has been a building industry pioneer in the design of specialty access products. Over these years, the company has built a reputation among architects, specifiers, and contractors for products that are unequaled in design and workmanship. Bilco – an ISO 9001 certified company – manufactures roof hatches, automatic fire vents, floor access doors, and a complete line of residential products designed to improve the look and function of basement areas. With headquarters in West Haven, Connecticut, Bilco has manufacturing facilities in Trumann, Arkansas, and Zanesville, Ohio, and an international network of sales offices, dealers, and representatives.

Products & Press Releases

Fall protection grating
Utility Management

Fall Protection Grating

Jan. 22, 2020
BILCO’s Fall Protection Grating provides a permanent means of fall protection for the company’s line of single and double leaf floor access doors. It includes a unique pintle ...
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Wastewater Treatment

Floor Access Doors

Jan. 4, 2020
BILCO products have provided dependable underground access for the water and wastewater treatment markets. The company’s floor access doors are unequaled in quality, design and...

Articles & News

Collection Systems

Pumps for Washington Project Pack a Punch

Dec. 9, 2021
Job tackles Groundwater replacement with capacity of 73 mgd  
Photo 1 W&D (1)
Wastewater Treatment

Massive Overhaul Improves Efficiency at California Treatment Plant

Sept. 9, 2021
An inefficient water treatment plant in California gets a major upgrade with BILCO doors.
BLC1624 Arrowhead Ranch Image 2(1)
Utility Management

Arizona Water Reclamation Facility Includes Array of BILCO Products

July 13, 2021
A range of BILCO products were used in a water reclamation facility project in Arizona.
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Wastewater Treatment

Veterans Hospital Relies on BILCO

April 28, 2021
Floor doors and LadderUP® Safety Posts from BILCO were installed at a Chicago VA Hospital.
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Wastewater Treatment

Connecticut Project Takes Steps to Ensure Worker Safety

Jan. 12, 2021
Connecticut project featuring BILCO’s floor doors with factory-installed fall protection ensures worker safety. 
Hines VA Hospital Image 1
Wastewater Treatment

Floor Doors, Safety Posts Included In Elaborate Project at VA Hospital

Sept. 28, 2020
Edward Hines Jr. VA Hospital in Chicago included 15 floor access doors manufactured by BILCO.
Erger's pond image 1
Collection Systems

BILCO Floor Doors Help Colorado Community Solve Water Challenges

Aug. 6, 2020
With a surge in population and only about 15 inches of rainfall each year, the city of Brighton, Colorado faces a difficult challenge in water management for its more than 41,...
FL odor control image 1
Wastewater Treatment

BILCO Helps Close the Door on Pumping Station Odor

July 22, 2020
Over time, the corrosive nature of wastewater took its toll on a pumping station in Seminole, Florida. Moisture and contaminants create highly corrosive conditions that attack...
BILCO Lake Mead Case Study Image 2
Collection Systems

Las Vegas Bets on Elaborate Project to Ensure City’s Water Supply

Jan. 4, 2020
A drought that has extended for nearly two decades has imperiled the water supply to the Las Vegas valley. The Lake Mead Low Lake Level Pumping Station, which is set to open in...
BILCO Hampton Roads Sanitation District SWIFT Case Study Image 1
Wastewater Treatment

Doors Open Way to Innovative Wastewater Project in Virginia

Jan. 4, 2020
An innovative water treatment program in Virginia called SWIFT (Sustainable Water Initiative for Tomorrow) is a critical first step designed to ensure a sustainable source of ...

Videos & Resources

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All content from The BILCO Company

BILCO Grand Rapids Case Study Image 1
Utility Management

Michigan City Turns to Biodigester for Energy Needs

Jan. 4, 2020
The city of Grand Rapids, Mich. built its wastewater treatment plant in 1931, and was among the first in the nation to include a biodigester. The system worked until the late ...
Collection Systems

Floor Access Doors Provide Reliable Underground Entry

May 31, 2018
Channel frame models prevent water infiltration