const setUpStickyHeader = () => { let header = document.querySelector("#header"); toggleHeaderStickiness = () => { if (window.scrollY > 0) { header.classList.add("sticky-header"); } else { header.classList.remove("sticky-header"); } } window.addEventListener("scroll", toggleHeaderStickiness); } window.addEventListener("DOMContentLoaded", setUpStickyHeader); const setUpBurgerMenu = () => { console.log("burger menu setup initiated..."); let burger = document.querySelector("#primary-menu-trigger"); let fries = document.querySelectorAll("#primary-menu > ul") const toggleFries = () => { console.log("fry toggling initiated..."); for (var i = 0; i < fries.length; i++) { console.log("enter the fry loop..."); var fry = fries[i]; if (fry.classList.contains("show")) { fry.classList.remove("show"); console.log("showed fry ", i); } else { fry.classList.add("show"); console.log("hid fry ", i); } } } burger.addEventListener("click", toggleFries); } window.addEventListener("DOMContentLoaded", setUpBurgerMenu); // This opens the search bar window.addEventListener("DOMContentLoaded", function(){ document.querySelector("#top-search-trigger").addEventListener("click", function(){document.querySelector("body").classList.toggle("top-search-open")}) }); // The body tag has to have this for the right header styles to get applied, and since we can't edit the body tag directly through Divi, this is easier than editing theme files... window.addEventListener("DOMContentLoaded", function() { document.querySelector("body").classList.add("stretched"); })

Our clients

We are proud of the long-term relationship we have with most of our customers. Here is a selection of companies we work with:


Air Liquide Deutschland GmbH
Aliseca GmbH
Arkema Vinyl Products S.A.
ASK Chemicals GmbH
Axpo AG
BASF Group
Bayer Group
BEGA.tec GmbH
Borealis AG
BP Group
Bundesdruckerei GmbH
Chevron Corporation
CHS Inc.
ConocoPhillips AG
Covestro AG
Daimler AG
Dr. Scheller Cosmetics AG
Drägerwerk AG & Co. KGaA
DuPont Corp.
Evonik Industries AG
Exxon Mobil Group
Flint Hill Resources LLC
Flint Group
Frederic Robinson Ltd.
Giesecke & Devrient GmbH
Hess Corporation
Holmen AB
Huhtamaki Films Germany GmbH
Huntsman Corporation
Husky Energy Inc.
Infraserv GmbH & Co. Höchst KG
JenOptik JENA AG
Linz AG
LyondellBasell Industries AF S.C.A.
Naphtachimie S.A
NBB Netzgesellschaft Berlin-Brandenburg mbH und Co. KG
Neste Oil Corp.
Nexen Inc.
Nyrstar NV
Paramount Petroleum Corporation
Petroflex S.A
Petrolszolg Kft
Petroplus Group
Phillips 66 AG
Remmers Baustofftechnik GmbH
Royal Mail Group Ltd
Ruhr Oel GmbH
RWE Group
Shell Group
Solvay Group
Smurfit Kappa Group plc
Städtische Werke Magdeburg GmbH
Stadtwerke Düsseldorf AG
Statoil ASA
Stora Enso Group
Sunoco, Inc.
SWM Stadtwerke München AG
Syncrude Canada Ltd.
Tchibo GmbH
Total Group
Tube Lines Ltd.
Verbund AG
Warsteiner Brauerei Haus Cramer KG
Weleda AG
Western Refining Inc.
Wiener Stadtwerke Holding
Wintershall Holding GmbH