Ttl Environmental Inc

13 Branch St
Methuen MA 01844

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Opening Hours

  • Mon: 8am-5pm
  • Tue: 8am-5pm
  • Wed: 8am-5pm
  • Thu: 8am-5pm
  • Fri: 8am-5pm

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Established in 1966, Pennoni Associates is a multidisciplinary consulting engineering firm that has a work force of more than 800 employees, including professionals, technicians and administrators. It has a network of over 20 offices throughout Pennsylvania, New Jersey, Delaware, New England, Maryland and New York. Pennoni Associates serves local, state and federal government agencies and private, commercial, industrial and construction clients. The firm offers transportation, surveying, site design, planning and bridge inspection services. Pennoni Associates also provides laboratory and material testing, underwater inspection and landscape architecture services. It has completed several projects, such as the Cira Center, Pennsylvania Hall and Emergency Post Hurrican Katrina. The firm has offices in nearly 70 countries and maintains one of its locations in Andover, Mass.