Celebrated our 90th year in business!

Acquired MacDonald Supply, added 3 branches in Bellefontaine (OH), Defiance (OH) & Findlay (OH) bringing total number of branches to 39.

Celebrated our 75th Anniversary in the PLUMBING business!

Cincinnati branch moved to a new facility.

Acquired Valley Supply, added 4 branches in Elkins, Clarksburg, Parkersburg & Charleston, West Virginia.

Added branch in Waterford, Michigan.

Celebrated our 85th year in business!

Opened our 31st branch and our first branch in Indiana, Ft. Wayne.

Introduction of RHS Mobile Application.

Scott Robertson elected ASA President.

Celebrated our 70th year in the PLUMBING business.

20,000 sq. ft. addition to Pittsburgh branch.

Columbus South relocated to larger facility in Columbus West.

Named Plumbing and Mechanical magazine Supply House of the Year.

Columbus North addition built.

Livonia, MI relocated to a new facility in Canton, MI.

Celebrating our 80th year in business!

Acquired Palmer Donavan HVAC Division. Opened Cincinnati and Columbus West branches.

Introduction of new Online Ordering Catalog & Ordering System.

Opened 29th branch in Athens, Ohio.

Supply House Times 2009 Wholesaler of the Year.

Celebrated our 75th Year in business!

Sharon relocated to a larger facility in nearby Wheatland.

Warren/Detroit relocated to a larger facility in nearby Roseville.

Mansfield branch relocated to a larger facility.

Opened full-service branch in Livonia, Michigan.

Acquired Rheem Supply with HVAC warehouses in Warren/Detroit and Wyoming/Grand Rapids, Michigan.

Our 70th year in business was celebrated with a grand opening expo at our brand-new 285,000 sq. ft. Corprate Headquarters/Distribution Center at 2155 W. Main St. in Alliance, Ohio. Magnificent Kitchen & Bath Gallery showroom with working fixtures is our crowning jewel.

Combined Garfield Heights and Valley View branches to become a full-service branch

Opened branch in Valley View, Ohio . . . our first “Plumbing Only” warehouse.

Purchased land in new Alliance industrial park, to begin plans for bigger and better company headquarters.

Opened branch in Toledo, Ohio.

Acquired wholesaler K & K Supply in Lima, Ohio.

Celebrated 50th year in the plumbing business with a Grand Expo at the Alliance location.

Grand Opening of “Your Bath Gallery” showroom in Cranberry Twp. warehouse.

Acquired Rheem H & A factory branch in Garfield Heights, Ohio, and tranformed it into our 23rd branch.

Celebrated 60th Year in business!

RHS 22nd warehouse opens in Wooster, 21,000 sq. ft.

Opened Belden Village Bath & Design Studio, located inside Belden Village Lighting Center.

Scott Robertson becomes President of Robertson Heating Supply Co.

Butler 11,500 sq. ft. warehouse expansion.

Opened new 15,000 sq. ft. warehouse in Washington.

RHS named “Wholesaler of the Year” for 1989-1990 by PHCC Contractors Assoc.

Sandusky 9,000 sq. ft. warehouse expansion.

Built new 21,000 sq. ft. branch in North Hills of Pittsburgh (Cranberry Twp).

Opened new 24,000 sq. ft. branch at Greensburg.

Columbus unveils Designer Showroom with 15,000 sq. ft. of display area.

Bought 34,000 sq. ft. warehouse in Pittsburgh.

Opened 12,000 sq. ft. Monroeville twig.

Celebrated our 50th Year.

Acquired Anchor-Dawn Supply of Donora.

10,800 sq. ft. addition to Ohio Lighting Center.

Supply House Times selected RHS “Wholesaler of the Quarter Century”.

Built new 42,000 sq. ft. Beaver Falls warehouse.

Constructed 65,000 sq. ft. new addition plus 12,000 sq. ft. of new offices in Alliance.

John Robertson inducted into this century’s Industry Hall of Fame.

John Robertson elected president of American Supply Association.

Construction of our new Belden Village Lighting Center in Canton.

Added 8,000 sq. ft. and crane facilities at Canton warehouse.

Built new 44,000 sq. ft. Akron warehouse.

Built new 14,000 sq. ft. Butler warehouse.

Built 40,000 sq. ft. Youngstown warehouse.

Acquired and remodeled Lancaster warehouse.

Built new 17,000 sq. ft. Sandusky warehouse.

Built new 23,000 sq. ft. electrical warehouse at Alliance.

Opened Ohio Lighting Center at Columbus and built this new facility.

Opened Youngstown branch.

Moved into Columbus, erecting a 60,000 sq. ft. warehouse.

Acquired Mansfield branch.

Bought Beaver Falls, Sharon and Steubenville buildings. *

John Robertson elected president of National Association of Wholesalers, head quartered in Washington, D.C.

Opened Butler and Newark, plus Newark’s new building.

Opened Sandusky and Lancaster twigs.

John Robertson elected president of Central Supply Association.

Built Canton’s warehouse.

Built New Philadelphia twig.

Opened Sharon and New Philadelphia twigs.

Opened first twigs in Beaver Falls and East Liverpool.

Robertson Heating Supply selected as Wholesaler of the Year.

John Robertson elected president of Northamerican Heating-Air Conditioning Wholesalers.

Built our $600,000 Alliance warehouse.

Opened our Steubenville warehouse.

Went into plumbing wholesaling (previously were warm air exclusively). In a few short years we became one of the top plumbing wholesalers in Ohio and a prominent one in the country.

Purchased our second Alliance warehouse, the plumbing building.

Started Robertson Supply Co., our electrical wholesale division.

Opened branches at Canton and Zanesville.

Moved to Alliance Prospect Street warehouse.

Robertson Heating Supply Co. was started in Alliance.