D.R. Diedrich & Co. Ltd. was cited 19 safety violations for the incident.
Oak Creations Inc. also exposed workers to amputation and respiratory hazards, according to the agency.
OSHA says the company failed to provide proof of correcting prior violations.
"This is Shoreline's third inspection within the past two years at this job site and we are still finding serious safety and health hazards," said Condell Eastmond, OSHA's area director in Ft. Lauderdale.
The agreement followed a July 2 public hearing where NHTSA officials outlined problems with Fiat Chrysler's execution of 23 vehicle safety recalls covering more than 11 million defective vehicles.
The Federal Aviation Administration has proposed a $173,100 civil penalty against Eaton Corporation Aerospace Operations of Irvine, Calif., after finding that the company violated drug and alcohol testing regulations.
The company failed to report an amputation injury to OSHA, according to the agency.
OSHA cited the company and has assessd 10 serious violations.
One involves a trench collapse in which a worker was trapped, the other a 12-foot fall from a roof.
The agency has proposed $77.000 in penalties for 24 serious violations.
Seven workers died in an explosion when a heat exchanger failed in the petroleum refinery on April 2, 2010. The Washington State Department of Labor & Industries cited Tesoro for 39 willful violations and five serious violations, fining the company $2.39 million.
Speakers include keynoter Jim Davidson, a veteran of many high-altitude climbs and rescues, and Closing General Session speaker Daryl "Moose" Johnston, a three-time Super Bowl winner with the Dallas Cowboys and "NFL on Fox" analyst.
Details of the study were released July 14 by the California Office of Traffic Safety and the California Highway Patrol.
OSHA has cited Shady Knob Pallet Co. for 17 serious safety violations.
Oak Harbor Freight Lines has been ordered to comply with federal safety rules.
OSHA says that Lauren Manufacturing ignored machine safety hazards.
Hugo's Roofing Contractors Inc. out of Wright City, Mo., have been cited by OSHA.
The investigation was done as part of OSHA's National Emphasis Program on Amputations. OSHA issued 36 safety citations after a previous inspection in December 2014.
Board members will determine the probable cause during the earlier meeting of the April 29, 2013 crash of a National Airlines Boeing 747 freighter shortly after takeoff from Bagram Airbase in Afghanistan.
The November 2014 deaths of four workers at a faclity in La Porte, Texas, triggered a second inspection from OSHA.