"our commitment to supporting" is a perfectly correct and usable phrase in written English.
You can use it to indicate an ongoing commitment to helping or aiding something, for example: "We are proud of our commitment to supporting local artists in our community".
Even as our combat commitment ends, our commitment to supporting Iraq must continue.
Our commitment to supporting diverse students begins from the start of your admissions experience.
The United States has prospered in no small part because of our commitment to supporting science and technological innovation.
"Today's meeting was an important step in providing further assurances of our commitment to supporting our Chicano/Latino campus community," said Harry Le Grande, vice chancellor, Student Affairs.
The University's interest in our students' co-curricular lives is an expression of our commitment to supporting the fullest possible development of the whole student.
"A phaseout can be difficult for schools, and this data shows our commitment to supporting students throughout the process so they can graduate on time or transfer to a school of their choice," a department spokesman, Matthew Mittenthal, said.
Our commitment to support the people of Iraq will be for the long term.
No friend of America will question our commitment to support them.
This year we invited two developers, Dina Hafez and Marty Stepien from Codebar, to join us at our hack day as part of our commitment to support the tech community.
No friend of America will question our commitment to support them, no enemy that attacks America will question our resolve to defeat them, and no one anywhere, friend or foe, will doubt America's capability to back up our words.
(S/REL USA, SAU) We recognize your government's efforts to disrupt al-Qa'ida networks in the Kingdom and we reaffirm our commitment to support the Saudi government in its actions on terror finance.
