The phrase "alongside representatives" is correct and usable in written English.
It can be used when referring to working or being present together with representatives from a particular group or organization.
Example: "The committee met alongside representatives from various stakeholders to discuss the new policy."
Alternatives: "together with representatives" or "in conjunction with representatives".
The delegation travelled to the capital alongside representatives of The Community Union, which represents former Thamesteel staff.
Members typically include senior scientists, alongside representatives of industry, higher education and civil society.
Chicago, Miami-Dade, Philadelphia and eight others among the nation's 25 largest school systems were at the conference, alongside representatives of 140 smaller districts from 40 states.
Amazingly fine chytrid fossils are known from the Devonian Rhynie Chert, where they occur alongside representatives of other major fungal groups.
The pilot scheme was announced at a meeting of the Home Affairs Committee by Google executive Anthony House, who appeared alongside representatives from Facebook and Twitter to give evidence to MPs over his company's efforts to combat extremism.
Yesterday Tacon appeared before the Scottish parliament's rural affairs, climate change and environment committee, where she gave evidence about problems in the dairy industry alongside representatives from Sainsbury's, Marks & Spencer and Lidl.
Alongside three representatives from the capital – The Shard, the London Aquatics Centre and the London School of Economics – Liverpool's Everyman Theatre and the Manchester School of Art have also been recognised in architecture's top prize.
These lists contain Arabic and (sometimes) Hebrew medico-botanical terms, alongside numerous representatives of the various Romance dialects spoken in the regions where Jewish scholars and physicians lived and worked (the Iberian Peninsula, southern France, and parts of Italy).
Experimental results including ultimate strengths and moduli are analyzed alongside representative failure modes.
His appearance Monday night in Philadelphia alongside Representative Joe Sestak, the Democratic Senate candidate, will be the 44th political event the vice president has participated in this year.
She said that a flier from the Romney campaign, which showed Mr. Gingrich sitting alongside Representative Nancy Pelosi, the House Democratic leader, in support of action to curb global warming, pushed her toward — not away from — Mr. Gingrich.
