BL & G Benchmark Line and Grade, Inc.

Norwalk, Connecticut 06850
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Our Story

Benchmark Line & Grade is a multi-discipline firm owned by a disabled veteran. We are conveniently located in Greenwich, CT, but travel nationwide to conduct our services and have no problem giving free detailed demos to educate and answer any questions. Benchmark is involved with BIM and IPD. The construction elite will understand what this is, but, if you're not one of these people, don't worry, we can walk you through the process. It's simple, really. We implore you to explore the rest of our website. Our services add incredible value by reducing the amount of time, money and risk to a project. From pre-design and layout, straight through post construction, Benchmark Line & Grade lends quality control through each phase.

We are heavily involved in technology and offer the most innovative ways to obtain and model 3-D data while preserving our environment. Our services cover a broad range of industries, such as educational, laboratory, healthcare & medical facilities. We provide 2D & 3D architectural floor plans, civil & structural engineering, forensic scene & heritage preservation, integrated project delivery and Building Information Modeling (BIM), the future of the building technology and construction industries.

  • Construction Coordination
  • 3D Modeling
  • Surveying
  • Construction Layout
  • BIM Consulting
  • Laser Scanning


What We Do

Products and Services

Blue Book Network Classifications

We can be found under the following Blue Book Network Classifications.

CSI Codes

Commercial Construction Project Specializations

Arena / Stadium
Athletic Field
Auto Dealership / Service
Church / Synagogue
Design Build
Fire / Police Station
Golf Course
Hospital / Nursing Home
Hotel / Motel
Manufacturing Plant
Medical Office
Park / Playground
Parking Garage
Parking Lots
Road / Highway
School / College / University
Sewage / Water Treatment Plant
Storage Facility / Warehouse
Swimming Pool
Tennis Court
Terminal - Airport / Bus / Railroad

Company Information

Year Established:
Labor Affiliation:
BIM Experience:
Company Size:
10-19 Employees
Service Sector:
Public Private
Typical Project Size:
Not Provided Request
Project Types:
Interior Fit-Ups

Diversity Classification

Minority Business Enterprise
Veteran-Owned Small Business
Service-Disabled Veteran-Owned Small Business

Associations & Memberships

BuildingSMART Alliance
MBE (Minority Business Enterprise)
SDVOSB (Service Disabled Veteran Owned Small Business)
VOSB (Veteran Owned Small Business)

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