Top 12 Electrical Wire & Cable Manufacturers in Maryland 2026

Control Cable, Inc.

Windsor Mill, Maryland

Control Cable, Inc. was established in 1975 in Windsor Mill, Maryland, along the Baltimore-Washington corridor.

Marlin Steel

Baltimore, Maryland

Marlin Steel was founded in 1968 in Baltimore, Maryland, initially producing bagel baskets. The company is led by Drew Greenblatt, who has overseen its expansion from a single Baltimore facility to additional locations in Indiana and Michigan, nearly tripling in size over the past four years.

Custom Cable Solutions

Salisbury, Maryland

Custom Cable Solutions, Inc. (CCSI) operates from a 51,000-square-foot facility in Salisbury, Maryland, near the Baltimore-Washington defense corridor.

Custom Cables, Inc. was founded in 1990 in Laurel, Maryland, by Marian Spahr, who remains president.

Haas & Sons Electric - Electricians

Millersville, Maryland

Haas & Sons Electric operates from Millersville, Maryland, as a family-owned and operated electrical contracting business. The firm provides a full range of residential and commercial electrical services across Anne Arundel County and surrounding areas.

Steel and Wire Products Co.

Rosedale, Maryland

Steel and Wire Products Co. was founded in 1929 by Conrad Buedel in downtown Baltimore, Maryland.

Astound | Millersville

Millersville, Maryland

Astound Broadband operates a service location in Millersville, Maryland, delivering residential and business telecommunications across Anne Arundel County. The Millersville site provides fiber-powered internet plans with gigabit-tier speeds, mobile plans that run on a nationwide 5G network, and TV and streaming packages that include DIRECTV and Astound TV powered by TiVo.

Indusco Wire Rope & Fittings, based in Baltimore, Maryland, has operated under the Mazzella Companies since its acquisition in 2011. Mazzella was founded in 1954 by James Mazzella in Cleveland, Ohio, and remains a privately held, family-owned business.

Onsite Wire & Cable + Telinks

Hanover, Maryland

Based in Hanover, Maryland, with a second facility in Michigan, Onsite Wire & Cable + Telinks has served as a distributor of low-voltage cabling products for more than two decades. The company operates across the Midwest and East Coast, positioning inventory to support both regional and national demand.

WireFox Electric is an electrical services company based in Odenton, Maryland. Founded in 2018, the business is a family-owned operation whose owners have served the Odenton area for five generations.