Lunenburg Warehouse Site

https://onyxcorporation.com/wp-content/uploads/2026/01/221118-Onyx-_-Lunenburg-Warehouse-1.0_1.mp4 Site excavation and grading for a 372,000 SF warehouse located on a 32-acre site that was previously a pond filled with rubble debris. Work included strategic excavation and dewatering to depths of 40 ft below surface elevations to replace rubble debris and organics with structural fill within the building envelope zone of influence. Major […]

Project Sandbox

Onyx partnered with Powell Stone and gravel to assist in the site work associated with a 600,000-sf distribution facility on a 50 acre site at Theodore Drive in Westminster, MA. The project dubbed “Project Sandbox” included loading and hauling earth, crushing materials, culvert installation, and blast rock wall construction. Onyx also worked with subcontractors for […]

Shoppes at Blackstone Valley

This project is a joint effort between the Site Work & Civil Infrastructure Division, and the Landscape Construction Division of Onyx. This project is a renovation of the façade spaces and parking lot at the Shoppes at Blackstone Valley in Millbury MA. There is also a new restaurant being built on site, which encompasses a […]

N Main St Reconstruction

https://onyxcorporation.com/wp-content/uploads/2026/01/ONX.250924.MDotOrange.H0025.101-_1.mp4 Over half a mile of roadway remediation and utility relocation/coordination/improvements. Drainage system upgrades/adjustments, sidewalk widenings/improvements, and installation of nine retaining walls (both cast-in-place and masonry walls). Additionally, the project includes the installation of a new 170 LF culvert under an active state road.

Tyngsborough Warehouse Site

https://onyxcorporation.com/wp-content/uploads/2026/01/ONX.251118.Site3-93KendallRd.H0054.201_1.mp4 A large-scale industrial development featuring two tilt-up warehouse buildings and off-site upgrades, including a complex MassDOT Park & Ride improvement. The 33-acre former gravel pit required extensive excavation and processing of unsuitable materials, which Onyx successfully reclaimed for structural use—saving the client significant time and cost. The project included 4,000 feet of new water […]

Grafton Land Development

https://onyxcorporation.com/wp-content/uploads/2026/01/ONX.250528.Interview.H0104.202_1.mp4 Development of a 26-acre wooded area into a 46-lot housing project with newly constructed roads and utilities. Removal and re-use of topsoil, along with substantial blasting and processing of ledge to complete mass grading earthwork. Constructing 3,400 linear feet of roadways for future town use, including public utilities such as drainage, water main, sewer, […]

Cold Brook Crossing

https://onyxcorporation.com/wp-content/uploads/2024/05/02_Sudbury-Brook_D01.mp4 Site work for Cold Brook Condominiums & Townhomes, including three low rise buildings and 123 town homes. Full site construction from tree clearing all the way to finished product – infrastructure that included some extensive blasting. Foundations, full drainage on site containment systems.

Market Landing Park

Completed in 2023, this park renovation project in Newburyport presented a unique set of site-specific challenges. Situated along the harbor, our crews navigated a range of site constraints each day. With the added complexity of a bustling tourist town, the schedule was tight to ensure completion ahead of the busy summer season. Onyx’s Site Work […]

Amesbury Manufacturing Facility

https://onyxcorporation.com/wp-content/uploads/2024/05/ONX.240417.AmesburyInterviewSocial.h0033.201.mp4 Onyx performed a 468,000-yard excavation and fill in Glacial Till. The crew installed 2 miles of Utility pipe. Excavated prepped and installed 2 large retaining walls one 1400-lf reaching 53 ft in height and another 500 LF and reaching 32 ft in height among various small walls around the site The site encompassed 50+ […]