The Diffun Saranay Development Cooperative (DISADECO) was born on July 2, 1988 when 51 poor rice farmers from the four barangays of Ma. Clara, San Isidro, Isidro Paredes and Bannawag met under the shade of a mango tree at the Gabrillo Residence at Ma. Clara, Diffun, Quirino to discuss ways and means to improve their lot. Resultantly, the group decided to organize a cooperative calling it the Diffun Credit Cooperative Inc. (DCCI). Subsequently, trainors from Santiago Credit and Development Cooperative (SACDECO) with the assistance of MAO Romulo Mandac of the Department of Agriculture conducted a pre-membership seminar. Likewise, the first set of officers was elected as follows:

          Ramon B. Piano – Chairman
          Corazon T. Ballesteros – Vice- Chairman
          Benjamin B. Gabrillo – Treasurer
          Elizabeth G. Somera – Director
          Rogelio P. Dela Cruz – Director
          Pablo T. Sado – Director
          Marcelo O. Arcebal – Director

It started its operations with FIVE THOUSAND TWO HUNDRED (P5, 200.00) paid-up share capital. A non-government organization, the World Vision International, whose mission is community development invested P40, 000.00 to the cooperative and also helped out in registering it with the BACOD. Only a few months after its registration with BACOD, key officers (chairman, vice-chairman and manager) resigned due to transfer of employment. The budding cooperative suffered its first test. The remaining officers were unfazed, however, a reorganization immediately took place. Rogelio Dela Cruz was elected chairman, Elizabeth G. Somera as Vice-chairman, Benjamin Gabrillo treasurer, Fausta Garcia Secretary and Pablo Sado and Evaristo Acebo as members of the BOD. The officers sweated a lot in educating would be members for people are sick of the “Kita-Pati” syndrome. Sacrifices paid off for after six years of operations. Membership grew dramatically convincing the general membership to amend its constitution and by-laws. In March 21, 1994, the area of operation was amended from municipal-wide to province-wide and name was amended as Diffun Credit and Development Cooperative (DICREDECO).

In 2006, officers of the cooperative opted not to rely on external borrowing but operate utilizing internal resources only. The total assets of the cooperative then was P52, 216,237.07 from the meager P5, 200.00 at the start of operations.
On January 19, 2007, an amendment by substitution was registered by the cooperative with the Cooperative Development Authority (CDA) changing the name from DICREDECO to Diffun Saranay Development Cooperative (DISADECO) and amending all other provisions in the Article of Cooperation and By-Laws in compliance with the new requirements of the CDA.
At the end of 2007, after a year of operation using only internal resources, a tremendous ten (10) million leap in total assets was realized through the able leadership of Marciana D. Foryasen as chairman, Ma. Retchelle D. Jose as manager and Ernesto V. Artates as treasurer.
It was also at the last quarter of 2007 where construction of the 2 storey DISADECO Farmers Center started and was inaugurated March 8, 2008 utilizing internal resources. The basement and ground floor of the DISADECO Farmers Center serves as the center for the agri-business sector of the cooperative while the second floor houses the DISADECO Super mart.
Besides increasing the aesthetic and commercial value of the DISADECO compound, the space between the DISADECO administration building and the DFC

Was concreted April, 2008. To ease entry and exit of farm inputs and agricultural produce at the DFC, Espiritista Street was concreted through the assistance of the Office of Congressman Cua.
Growth and development inspired DISADECO management to push through with the implementation of the cooperative’s five year development plan. In January 30, 2009, ground breaking of the DISADECO Grains Processing Center (DGPC) was celebrated along with the inauguration of Espiritista Street. Immediately after the ground augmented the P200, 000.00 financial support from the COOP NATCCO Party just to bring in electric current at the project site. DGPC includes a village type corn drying facility, bio-N mixing plant, a warehouse and drying pavement. It has long plan of having a palay re-circulating drying facility, multi-pass rice mill, feed mill and organic fertilizer production facility. The DGPC was inaugurated December 12, 2009 along with the inauguration of the 4-wheel drive tractor availed by DISADECO through the GMA Corn Program. At the closing of books, December 31, 2010 DISADECO’s total assets stand at P89, 169,853.21 with all the fixed assets owned by 2,318 members. With the cooperative’s sincerity of bringing services nearer to its members, branching as laid in the development plan was implemented. The first branch was opened October 8, 2012 at Santiago City. In the same year, the second branch was opened at San Mateo, Isabela December 10, 2012. Continuous education of what is a cooperative emphasizing that it is the only way out of poverty contributed to members realization of the need to continuously save and patronize the services of the coop. As a result, total asset of the cooperative at the end of the year is 134,010,738.15 with the award as Gawad Parangal National Nominee by the Cooperative Development Authority. Gawad Parangal is a prestigious award better than any other award as the basis for evaluation is Cooperative Organization and Development, Financial Management and Business Operations and Social Relevance. In short, focus is safety of investment, liquidity, optimum fund utilization and adequate return of investment. This made DISADECO amend its vision and mission as:
Sirmata: Pagwaddan a cooperatiba iti pagilian
Misyon: Pinangitanok ti nainkalentigan ken naimpuswan ngapanagserbi.
For 2013, DISADECO further improved its services and brought it further nearer to its members. Third branch was opened at Cauyan City, March 18, 2013, the fourth at Bayombong, Nueva Vizcaya, June 10, 2013 and the fifth at Aurora, Isabela, and September 18, 2013. From the 134,010,738.15 total asset of 2012, DISADECO is now 196,913,095.09 as of December 31, 2013. Evolution of DISADECO is accompanied by a prestigious award as 2013 Gawad Parangal Most Outstanding Primary Cooperative Medium Scale Category. Sincerity of officers and management is recognized by the National Nomination Committee of the Gawad Parangal bestowing the chairperson of DISADECO the third most outstanding cooperative leader of the country. The Gawad Parangal with its criteria qualified DISADECO as government’s partner for the implementation of government projects for bettering the lives of the poor and marginalized.
Despite its humble beginnings, DISADECO now stands with pride along with its committed officers, staff and members whose dream for a better life joined the cooperative movement.