From Boston's Logan Airport:

• From the terminal area, follow signs to I-93 North via Sumner Tunnel.
• In tunnel, keep to right and proceed to I-93 North towards NH.
• After about 23 miles, take I-93 exit 44 to I-495 North.
• After about 4 miles, take I-495 exit 43, Mass. Ave., N. Andover
• Turn right at bottom of ramp, southbound onto Mass. Avenue.
• At first light, turn left onto Waverly Rd.
• At a stop sign, Waverly Rd. will become Main St. (bear left).
• At the end of Main St. turn right onto Sutton St.
• At the end of Sutton St. turn left onto Osgood St. (Rte. 133).
• Take the first left after the lights onto Commerce Way
  (just before Joe Fish Restaurant).
• Our building will be right in front of you.

From Manchester, NH Airport:

• From terminal area, follow signs to Route 3A North (Brown Ave.).
• Proceed on Route 3A north to I-293 South (eastbound).
• Exit at end of I-293 to I-93 South towards Boston.
• Proceed on I-93-S about 19 miles into Massachusetts and exit at
  Route 213 eastbound (Exit 48).
• Exit at end of Route 213 (exit 5B) onto I-495 North towards Haverhill.
• Proceed North on I-495-N about 2 miles to exit 48, Ward Hill, Rte. 125, towards Bradford
• At end of Rte 125 connector (0.6 miles), turn right onto Rte. 125 S towards N. Andover
• Follow Rte 125 south about 2.5 miles. Becomes Osgood St.
• Note Joe Fish Restaurant on right and Butcher Boy Marketplace approaching on left.
• Turn Right onto Commerce Way (immediately after Joe Fish).
• Our building will be right in front of you.

From the South:

• Proceed north on I-93 from the center of Boston.
• Follow directions as from Logan airport.

From the North:

• Proceed south on I-93 from Manchester, NH.
• Follow directions as from Manchester airport.

From the West:

• Proceed eastbound on I-90 (Mass. Pike) or from other routes to I-495 northbound.
• Proceed on I-495-N to Exit 43, Mass. Avenue, N. Andover.
• Turn right at bottom of ramp, southbound onto Mass. Avenue.
• At first light, turn left onto Waverly Rd.
• At a stop sign, Waverly Rd. will become Main St. (bear left).
• At the end of Main St. turn right onto Sutton St.
• At the end of Sutton St. turn left onto Osgood St. (Rte. 133).
• Take the first left after the lights onto Commerce Way
  (just before Joe Fish Restaurant).
• Our building will be right in front of you.

From the Northeast (e.g., NH seacoast):

• Take I-95-S or other routes to I-495-South towards Haverhill / N. Andover
• Proceed on I-495 southbound to Exit 48, Ward Hill, Rte. 125, towards Bradford
• At end of Rte 125 connector (0.6 miles), turn right onto Rte. 125 S towards N. Andover
• Follow Rte 125-S about 2.5 miles. Becomes Osgood St.
• Note Joe Fish Restaurant on right and Butcher Boy Marketplace approaching on left.
• Turn Right onto Commerce Way (immediately after Joe Fish).
• Our building will be right in front of you.