RIDGE TO REEF, INC.

"Because the Environment Deserves Our Care"

ABOUT US

Ridge to Reef, Inc., with an office in Davao City, Philippines, is an ISO 9001:2015 certified environmental consulting and construction group with a reputation for providing expert and customized environmental and construction products and services. Our team comprises specialists who provide advice and support on a wide range of strategic and site-specific environmental and construction issues, to a diverse and growing base of business and governmental clients...

Mobirise

VIDEOS

Tampakan Sanitary Landfill Cell and Leachate Treatment Facility

Sanitary Landfill Facility

Sanitary landfills are sites where waste is isolated from the environment until it is safe.
Waste is considered safe when it has completely degraded biologically, chemically, and physically. When landfills are full, they are often capped and transformed into parks or natural areas.

SERVICES

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Construction
Construction of Sanitary Landfill Facilities

A sanitary landfill is a land disposal site that employs the principle of spreading solid wastes in thin layers, compacting the material to the smallest...

Other Construction Services also include:
• Wastewater Treatment Systems
• Septage Treatment Facilities
• Resource Recovery Facilities

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Consultancy
Environmental Consultancy and Services

Environmental consultants provide expert assessment and advisory services for their clients on matters pertaining to the management of environmental issues...

Consultancy Services include but not limited to:
Environmental Impact Assessments
Traffic Impact Assessments
Land Use Conversion
Environmental Audits

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Sales
Eco-Friendly Apparels & Products

As we promote safety and welfare, we also engage in selling cost-effective and quality T-shirts, caps, bags as advocacy to nature, and many more!

Products include but not limited to:
​ T-shirts
​ Caps
​ Bags
​ Other Printing Services

OUR TEAM

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Engr. Diego Tautho, MSERM, REB, EnP
(Senior Partner)

Civil Engineer, MSERM, REB,
(EnP) Environmental Planner

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EnP. Marie Antonette Paña-Tautho, Ph.D.
(Senior Partner)

Marine Biologist, MSERM, (EnP) Environmental Planner 

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R2R Team
(Team with Specialized Skills)

Geologist, Surveyor, Safety Officer, Engineers, and Architects

BLOG

Recent Blog Posts About Ridge to Reef 
defensitve-driving
Ridge to Reef Maintains ISO 9001:2015 Certification
Date: April 27, 2026

"Ridge to Reef Environmental Consultancy has been recommended for the maintenance of its TUV-SUD ISO 9001:2015 QMS certification following a rigorous audit conducted today, April 27, 2026."

mosh-midsayap
Sustainable Goat Production at R2R Demo Farm in Marilog
Date: May 23, 2026

"R2R hopes to implement a goat dispersal program for qualified members of TAMMACO (Tammuwanan Agriculture Cooperative), a cooperative established and organized by R2R to support upland farmers in Davao City, with its main office in Marilog."

R2R Construction Supports Davao's Temporary Disposal Cell
Date: July 23, 2026

"R2R Construction is proud to have provided technical expertise and HDPE geomembrane liner installation support in the successful implementation of this vital environmental project."

CARBON SEQUESTRATION PROGRAM

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829,600 kg
Total Carbon Sequestered

Image from: pinterest.com

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6,100 trees
Total Planted Trees

Image from: gfycat.com

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1,500 seedlings
Total Seedlings On-Hand

Image from: pinterest.com

CLIENT REVIEW

Excellent service by excellent and awesone people of the R2R Family👏👏👏
Thanks for the continued partnership with LGUs ❤️
- Allan Rivera, MENRO of Alabel, Sarangani

SOCIAL MEDIA

Like, Follow, and Share our Facebook pages!
Address

Corner Nidea-Sobrecarey Sts.,
Brgy. 17-B, Obrero, Davao City, 8000


Contacts

Email: [email protected] 
Tel No.: +63 917 146 2403 
Phone No.: (082) 224 6193

Links
Feedback

Please send us your ideas, bug reports, and suggestions! Any feedback would be appreciated.

Registered with:

https://www.dnb.com/business-directory/company-profiles.ridge_to_reef_environmental_consultancy_inc.84f3fdefc7b2ae72c65e631a030bfe27.html
Our Clients:
Municipality of Midsayap
AboitizPower Therma South, Inc, Davao City
Isla Norte Corporation
Vivant Corporation
DENR EMB 12 (Koronadal)
Municipality of Nabunturan
Province of Davao del Norte
AboitizPower Therma Visayas, Inc, Toledo City
Holcim Mining & Dev't Corp.
Nippon Steel
Nenita Stock Farms Davao City
Alsons Aquaculture Corp., Alabel, Sarangani Province
Municipality of Malapatan
EMB Region VII
GIZ (German International Cooperation)
Oro Cemento (San Miguel Corp.)
City of Mati
Province of Davao del Sur
Municipality of Pigcawayan
Municipality of Baganga
D'Leonor Inland Resort & Adventure Park