Founded in 1971, Grandelski Bros Gen Contrs is a family owned and operated business located in Northeast Connecticut. Owners, Ed and Frank Grandelski, have degrees in Mechanical and Civil Engineering. Frank is a licensed PE. Their experience, education, integrity, and commitment to detail enables them to deliver sound and innovative solutions to industrial, commercial and residential needs. Available 24/7, services include slab, wall and road sawing, core drilling, demolition, breaking and removal, utility installation and repair excavations, interior trenching, industrial machine foundations and loading dock pits, trench drain systems, sewer connections, bulkhead installations, sump pits, and associated concrete repairs. Contact us for more information.