Contact our Oahu reps directly


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Austin Jones

Oahu Sales Manager has been with the company for three years. I specialize in custom signs – design, permitting, fabrication and installation. I can also can help with traffic control and aluminum street signs.


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Andrew Macdonald

Outside sales representative specializes in Environmental, Fall Protection & Specialty/Hard to find job site products.Andrewhas over 30 years of sales and management experience which allows him to understand your project needs and to provide optimal solutions. Andrew has advised business owners, project managers and superintendents on the recommended needs for their projects and can help providemultiple options to ensure project success.


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Sean Tobosa

Outside sales representative specializes in Environmental and facility safety products for industrial accounts.


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Jeffrey Hung
Senior Estimator

Jeffrey specializes in all Government sales contracts and supply bids. Jeffrey has over 26 years of experience in the Highway Safety Industries. With extensive knowledge in both Highway Safety and PPE products, Jeffrey has advised the Government agencies and Civil Engineering & Consulting firms on the latest regulations & on the recommended needs for their projects.


Article Title Date
Business Continuity Retail Letter March 2020
Grace Pacific Business Continuity COVID-19 Precautions and Response March 2020
How to repair potholes in asphalt pavement January 2020
Are You OSHA Compliant? Here's What To Do NOW for USP 800 November 2019
3M™ Protecta® Cobra™ Rope Grab AC202D – Stop use and product recall August 2019
Environmental Compliance for Building Owners March 2019
Austin Jones selected to head GPRS Oahu & PSC sales March 2019
Effectiveness of speed radar signs August 2018
Job Site Preparation for Hurricane May 2018
National Work Zone Awareness Week April 2018
Stormwater Management and Spill Containment Affecting Hawaii March 2018
Charles Brown hired for Oahu Outside Sales Representative February 2018
How to Reduce the Potential for Heat Stress in the Work Place June 2017
National Work Zone Awareness Week April 2017
Grace Pacific Paving for Farrington High School November 2016
Parking Lot Safety Seminar April 2015
2015 National Work Zone Awareness Week March 2015
Seminar: Parking Lot Do's & Dont's: Maintenance, Safety & Building Signage March 2015
When To Use Speed Bumps & Speed Humps May 2014
Filter Out Pollutants From Catch Basin April 2014
Seminar Slides: EPA Regulations April 2014
Manage Traffic Flow with Portable Traffic Signals April 2014
It's Not All Right To Run The Red Light March 2014
2014 Hawaii Buildings, Facilities & Property Management Expo February 2014
Drain Guards: Stormwater BMP February 2014
Remove Oil Stains From Asphalt, Concrete, & Brick February 2014
Seminar: EPA Regulation Compliance for Spills & Stormwater Pollution Prevention January 2014
2014 NFL Ohana Day Wrap Up January 2014
Parking Blocks Comparison: Concrete vs Recycled Plastic vs Recycled Rubber January 2014
2014 NFL Ohana Day January 2014
Impact of Federal Sign Regulations on Private Property January 2014
Reduce Speeding- How to Enforce a STOP Sign January 2014
2013 Hawaii Buildings, Facilities & Property Management Expo February 2013
Family Entertainment: Ohana Day January 2013
Property Managers - Need to fix potholes? December 2012
The 2012 Honolulu Marathon December 2012
GPRS Honored with the Patriot Award December 2012
Oahu and Kauai Sales & Rentals December 2011
GP Roadway Solutions Maui December 2011
Peterson Sign Company December 2011
President’s Message December 2011
GP Roadway Solutions Kona December 2011
Generally Speaking with the General Manager, Ben Bauer December 2011
Estimating & Contracts December 2011
Maintenance Solutions December 2011
Unistrut Hawaii FY11 Review December 2011