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Stephenson Equipment, Inc.

Stephenson Equipment Inc. (SEI) founded in 1957 provides sales, rentals, parts and service for construction equipment, cranes, heavy-lifting, paving, public works, road building and road maintenance equipment in Pennsylvania, New York, Maryland and Northern Virginia (DC). In Pennsylvania, Stephenson Equipment has locations in Harrisburg, Philadelphia (Prospect Park), Pittsburgh (McDonald), Butler (Prospect), Lancaster (Ephrata) and Wilkes-Barre (Pittston), allowing the company to serve the entire state. In New York State, Stephenson Equipment has branches in Albany (Waterford) and Syracuse, enabling it to cover the Upstate and Western NY areas. In Maryland, SEI has two locations: one in Hagerstown and the other in Baltimore (Middle River). In Northern Virginia our location is in Manassas Park serving the surrounding area along with DC.



Stephenson Equipment Hosts Open House at Hagerstown Location

Stephenson Equipment hosted an open house in October 2025 at its Hagerstown, Md., location, welcoming customers, partners and industry professionals for a day of equipment showcases, live demonstrations and networking opportunities....


Stephenson Equipment Named One of the Best Places to Work in Pa. for Second Consecutive Year

Stephenson Equipment Inc. (SEI) announced that it has been named one of the Best Places to Work in Pennsylvania by the Central Penn Business Journal for the second year in a row. This recognition celebrates organizations that excel in creating and maintaining a positive workplace culture, as determined through employee feedback....


Gradall Names Stephenson Equipment Authorized Distributor

Gradall Industries Inc. has named Stephenson Equipment, Inc. (SEI) as authorized distributor of Gradall brand excavator machines in 27 counties of western Pennsylvania and four counties in the northern panhandle of West Virginia....


Stephenson Equipment Expands With Acquisition of Valley Supply & Equipment in Mid-Atlantic Region

Stephenson Equipment (SEI), a leading provider of construction equipment, public works equipment and cranes in Pennsylvania and Upstate New York, has announced its acquisition of Valley Supply & Equipment in Maryland, Virginia and D.C....


Stephenson Equipment Named Master Distributor of Montarent Cranes in United States

Stephenson Equipment Inc. (SEI) has been chosen to become the master distributor of Montarent Cranes in the United States. Stephenson Equipment has partnered with Montarent of the Netherlands for its innovative line of mobile tower cranes since 2017....


SEI Opens New State-of-the-Art Crane Operator Training Center

Stephenson Equipment Inc. (SEI), based in Harrisburg, Pa., recently opened a new training center designed to help construction personnel in the state become proficient and certified in operating a variety of different construction cranes and rigging....


LeeBoy Announces 2022 Dealer Award Winners

LeeBoy recently announced the winners of its 2021 Dealer Awards. Top five equipment sales1 — Stephenson Equipment Inc. (SEI)2 — Alta Equipment Company of New England3 — Ascendum4 — McLean Equipment5 — Reynolds-Warren Equipment CompanyTop paver dealer — Stephenson Equipment Inc....


Stephenson Equipment Selected for Gold Level CCO Training Provider Award

Stephenson Equipment recently was commended by CCO as having demonstrated its commitment to safety by providing training for CCO certification during 2022. The award is granted to training organizations who promote CCO certification as demonstrating the highest level of rigor achievement for those in and around load handling equipment....


VIDEO: Stephenson Equipment Holds Paving Seminar, Hands-On Learning Event

In late March, Stephenson Equipment had nearly 200 participants at its Butler, Pa., location in Prospect, Pa., where they were able to take part in various learning sessions and perform actual paving with the equipment Stephenson had on hand....


SEI Conducts Asphalt Paving, Maintenance Workshop

Stephenson Equipment Inc. (SEI) invited paving contractors from Philadelphia and surrounding areas to take part in a "hands on" learning opportunity for LeeBoy and Bomag equipment on Feb. 15. The purpose of the Asphalt Paving and Maintenance Workshop, held at SEI's facility in Prospect Park, Pa., was to not only showcase equipment from the two manufacturers but also to discuss service, parts and rentals at the dealership....






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39.95234 \\ -75.16379 \\ Philadelphia \\ PA \\ US \\ 19019