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A. O. Companies, INC.

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www.apsusa.biz
Homepage of A. O. Companies, INC.
Their homepage, crawled JUL 30, 2026
At a glance
EmployeesNot reported
In business sinceNot reported
HeadquartersReisterstown, MD
SAM.gov UEILC63KZCWKDR1
LISTED ON FACTORYREGISTRY100%SOURCE COVERAGE

A.O. Companies, Inc. provides products, technologies and services to companies that use gases or require cryo-storage capabilities. The company operates three divisions: Atmospheric Products and Services, Cryo-Storage and Technologies, and Professional Health Services.

Summarized from the company’s own website

Their plant

FacilityCityStateEmployeesStatus
A. O. Companies, INC.ReisterstownMD— ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.